function testChangesAreTracked()
{
$page = $this->objFromFixture('SiteTree', 'custompublisherpage');
$custompublishersgroup = $this->objFromFixture('Group', 'custompublishergroup');
$custompublisher = $this->objFromFixture('Member', 'custompublisher');
$custompublisher->Groups()->add($custompublishersgroup);
$customauthorsgroup = $this->objFromFixture('Group', 'customauthorsgroup');
$customauthor = $this->objFromFixture('Member', 'customauthor');
$customauthor->Groups()->add($customauthorsgroup);
$page->PublisherGroups()->add($custompublishersgroup);
$this->session()->inst_set('loggedInAs', $customauthor->ID);
$page->Content = 'edited';
$page->write();
$request = WorkflowPublicationRequest::create_for_page($page);
$request->request("Please publish this");
// We need to sleep a little here to let the time tick up a bit
sleep(1.25);
$this->assertEquals(1, $request->Changes()->Count(), 'Change has been tracked for initial publication request');
$page->write();
$this->assertEquals(1, $request->Changes()->Count(), 'Changes arent tracked twice without a Status change');
$change = $request->Changes()->First();
$this->assertEquals($change->AuthorID, $customauthor->ID, "Change has the correct author assigned");
$this->assertEquals($change->PageDraftVersion, $page->Version, "Change has the correct draft version");
$this->session()->inst_set('loggedInAs', $custompublisher->ID);
$page->Content = "third";
$page->write();
$page->doPublish();
$request->flushCache();
$this->assertEquals(2, $request->Changes()->Count(), 'Change has been tracked for the publication step');
$change = $request->Changes()->Last();
$this->assertEquals($change->AuthorID, $custompublisher->ID, "Change has the correct author assigned");
$this->assertEquals($page->Version, $change->PageLiveVersion, "Change has the corrent draft version");
$page->doPublish();
$page->doPublish();
$page->doPublish();
$changes = $request->Changes()->toArray();
$firstChange = $changes[0];
$secondChange = $changes[1];
$this->assertTrue($firstChange->NextChange()->ID == $secondChange->ID);
$this->assertTrue($secondChange->PreviousChange()->ID == $firstChange->ID);
$this->assertEquals($firstChange->getStatusDescription(), 'Awaiting Approval');
$this->assertEquals($firstChange->getDiffLinkToLastPublished(), "admin/compareversions/{$page->ID}/?From=2&To=3");
$this->assertEquals($secondChange->getDiffLinkToLastPublished(), "admin/compareversions/{$page->ID}/?From=3&To=3");
$this->assertEquals($secondChange->getDiffLinkToOriginalRequest(), "admin/compareversions/{$page->ID}/?From=2&To=3");
$this->assertEquals($secondChange->getDiffLinkOriginalToLastPublished(), "admin/compareversions/{$page->ID}/?From=3&To=3");
$this->assertEquals($secondChange->getDiffLinkToPrevious(), "admin/compareversions/{$page->ID}/?From=2&To=3");
$this->assertEquals($secondChange->getDiffLinkContentToPrevious(), "<a href=\"admin/compareversions/{$page->ID}/?From=2&To=3\" target=\"_blank\" class=\"externallink\">Show</a>");
$this->session()->inst_set('loggedInAs', null);
}
